<1. Introduction>
2
IM 01E25A01-01EN
The following symbols are used in the Instrument and the
manual to indicate the accompanying safety precautions:
Protective grounding terminal
Functional grounding terminal (This terminal should
not be used as a protective grounding terminal.)
Alternating current
Direct current
Caution
This symbol indicates that the operator must refer to
an explanation in the user’s manual in order to avoid
the risk of injury or death of personnel or damage to
the instrument.
• For the protection and safe use of the instrument and
the system in which this instrument is incorporated,
be sure to follow the instructions and precautions
on safety that is stated in this manual whenever
you handle the instrument. Take special note that if
you handle the instrument in a manner that violated
these instructions, the protection functionality of the
instrument may be damaged or impaired. In such
cases, YOKOGAWA does not guarantee the quality,
performance, function, and safety of instrument.
• When installing protection and/or safety as lighting
protection devices and equipment for the instrument
and control system or designing or installing separate
protection and/or safety circuits for fool-proof design
and fail-safe design of the processes and lines that
use the instrument and the control system, the user
should implement these using additional devices and
equipment.
• Should use the parts specified by YOKOGAWA when
replacing. Please contact YOKOGAWA’s service
office for fuse replacement.
• This instrument is not designed or manufactured
to be used in critical applications that directly affect
or threaten human lives. Such applications include
nuclear power equipment, devices using radioactivity,
railway facilities, aviation equipment, air navigation
facilities, aviation facilities, and medical equipment. If
so used, it is the user’s responsibility to include in the
system additional equipment and devices that ensure
personnel safety.
• Do not modify this instrument.
• YOKOGAWA will not be liable for malfunctions or
damage resulting from any modification made to this
instrument by the customer.
• The instrument should be disposed of in accordance
with local and national legislation/regulations.
Regarding This User’s Manual
• This manual should be provided to the end user.
• The contents of this manual are subject to change
without prior notice.
• All rights reserved. No part of this manual may be
reproduced in any form without YOKOGAWA’s written
permission.
• YOKOGAWA makes no warranty of any kind with
regard to this manual, including, but not limited to,
implied warranty of merchantability and fitness for a
particular purpose.
• If any question arises or errors are found, or if any
information is missing from this manual, inform the
nearest YOKOGAWA sales office.
• The specifications covered by this manual are limited
to those for the standard type under the specified
model number break-down and do not cover custom-
made instruments.
• Note that changes in the specifications, construction,
or component parts of the instrument may not
immediately be reflected in this manual at the time
of change, provided that postponement of revisions
will not cause difficulty to the user from a functional or
performance standpoint.
• This manual is intended for the following personnel;
Engineers responsible for installation and wiring of the
instrument.
Personnel responsible for normal daily operation of
the instrument.
• To ensure correct use, read this manual and
the applicable manuals as listed in Table 1.1
thoroughly before starting operation. Read the
general specifications as listed in Table 1.1 for its
specification.
Trademarks:
• HART is a registered trademark of FieldComm Group.
• Modbus is a registered trademark of AEG Schneider.
• F
OUNDATION
is a registered trademark of FieldComm
Group.
• All the brands or names of Yokogawa Electric’s
products used in this manual are either trademarks
or registered trademarks of Yokogawa Electric
Corporation.
• All other company and product names mentioned
in this manual are trade names, trademarks or
registered trademarks of their respective companies.
• In this manual, trademarks or registered trademarks
are not marked with ™ or
®
.
